Question

The appearance of this rash is characteristic of infections with which of the following?
A) Francisella tularensis 
B) dengue virus 
C) Borrelia burgdorferi 
D) Epstein-Barr virus 
E) Yersinia pestis

Accepted Answer

The appearance of the rash shown in the image is consistent with the erythema migrans rash associated with Borrelia burgdorferi, which is the causative agent of Lyme disease. The rash typically appears within 1-4 weeks after a person is bitten by an infected tick and may expand over several days to weeks, often resembling a bull's-eye.